Table 11.6 Union Fork,Inc.has Five Distribution Centers Located at the Location Coordinates

Table 11.6
Union Fork,Inc.has five distribution centers located at the location coordinates given as follows.The demand at each center is also given.

-Use the information in Table 11.6.If a plant is located at a center of gravity,what is the load-distance score,assuming rectilinear distance?

A) less than or equal to 500
B) more than 500 but less than or equal to 550
C) more than 550 but less than or equal to 600
D) more than 600